Skip to content

Description

The OSD Audio MX1280 is a high-performance multi-room amplifier designed to power up to six separate audio zones from a single unit.

Featuring twelve channels of amplification delivering up to 80 watts per channel, it provides the power and flexibility required for larger whole-home audio systems, commercial installations, or multi-room entertainment setups.

Perfect for pairing with ceiling speakers, in-wall speakers, or outdoor speaker systems, the MX1280 allows music to be distributed throughout multiple rooms with clean, consistent sound.

Its efficient Class D design ensures reliable performance while keeping heat and energy consumption low, making it well suited for rack-mounted AV installations and professional audio systems.

FEATURES

  • Six-Zone Multi-Room Audio: Power up to six different listening areas throughout your home or business, allowing background music to be distributed across multiple rooms from one central amplifier.

  • Twelve Channels Of Amplification: Delivers up to 80W per channel, providing ample power for six pairs of speakers without the need for additional amplifiers.

  • Efficient Class D Amplifier Design: Advanced Class D technology provides strong audio performance while running cooler and more efficiently than traditional amplifier designs.

  • Independent Zone Level Controls: Each zone can be individually adjusted, allowing you to balance volume levels between different rooms or listening areas.

  • Multiple Source Inputs: Connect multiple audio sources such as music streamers, media players, or preamps to distribute audio across your entire multi-room system.

  • 12V Trigger Integration: Automatically power the amplifier on or off when connected AV equipment is activated, simplifying system automation and operation.

  • Rack-Mountable Installation: Designed to fit standard AV equipment racks, making it ideal for professional installations and tidy equipment setups.

  • Built-In Protection Circuitry: Integrated safeguards help protect both the amplifier and connected speakers from overload, overheating, or short circuit conditions.

What You Get
  • 1 x Amplifier
  • 1 x Power Lead
  • 1 x User Manual
Specifications
  • Amplifier Type: Multi Channel
  • Amplifier Class: Class D
  • Channels: 12 Each, 6 Stereo Zones
  • Power Handling: 50W (RMS) / 100W (MAX) Per Channel @ 8 Ohm, 80W (RMS) / 160W (MAX) Per Channel @ 4 Ohm
  • Bridged Rating: 160W (MAX) @ 8 Ohm
  • Impedance: 8 Ohm and 4 Ohm Stable
  • Frequency Response: 20Hz to 20KHz +1.7/-1dB at 1W output into 8 Ohms
  • Signal to Noise Ratio: 90 dB A-weighted
  • 12V Trigger Mode: Bus
  • Zone Line Input: Line In, Bus In 1, Bus In 2 Per Zone
  • Output Controls: Individual Output Level Controls for Each Channel
  • Speaker Connectors: Detachable Speaker Terminals, up to 14AWG
  • Rack Mountable: Yes, mounts included
  • Dimensions: 42.7 × 8.8 × 410mm
  • Weight: 9.3 kg
  • Warranty: 2 Years
Delivery & Returns

Delivery: Free standard 2-3 working day delivery on all  UK* orders over £50. Premium next-day options are available on selected products at checkout. Learn More

Returns: All orders come with a 60 day "Happy Sound Guarantee" allowing you to return your item(s) for refund or exchange and a 2 Years warranty for peace of mind. Learn More

*Surcharges apply to off-shore and highlands, see pricing at checkout.

Payment & Security
Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Customer Reviews

Providing Hassle-Free Home Audio Since 2013

Why Customers Trust K&B Audio

Expert Advice
1.

Expert Advice

We're here to help you every step of the way.

Learn More
Fast & Free Delivery
2.

Fast & Free Delivery

Spend £50 for free mainland UK delivery.

Learn More
Free Audio Design
3.

Free Audio Design

Let us help design you the best audio system for your requirements.

Learn More
Showroom
4.

Showroom

Try before you buy in our relaxed South Coast showroom.

Learn More